Intangible Assets, Net (Details) |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
CNY (¥)
|
Dec. 31, 2022
CNY (¥)
|
|
| Intangible Assets, Net [Abstract] | ||||
| Amortization expense of intangible assets | ¥ 4,766,969 | $ 653,072 | ¥ 6,686,070 | ¥ 6,039,895 |
| Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration] | impairment losses | impairment losses | ||
| Impairment losses | ¥ 39,072,000 | $ 5,352,842 | ¥ 16,027,000 | ¥ 18,892,000 |
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Indicates line item in statement of income or comprehensive income that includes impairment of intangible asset. Includes, but is not limited to, finite-lived and indefinite-lived intangible assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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